Mary Considine (1851-1920) (1851–1920) Parents Mary MacMahon Heffernan Considine Children John MacCarthy-O'Leary Siblings Daniel Considine Anna Considine Elizabeth Considine Sir Heffernan James Fritz Joseph John Considine Frances Considine Helena Considine St. John Considine Thomas Ivoy Considine Patrick Bernard Considine Percy Considine Mary Angela Considine Emily Considine Partners William McCarthy-O'Leary